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John Marsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this John Marsh across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 5-person household.
Age 13
b. ~1927
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Marsh |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Huntington Park (City) |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Huntington Park City |
| Est. Birth Year | ~1927 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Leila Marsh | Daughter | — | 10 | ~1930 |
| Karen Marsh | Spouse | — | 41 | ~1899 |
| John Marsh | Son | — | 13 | ~1927 |
| Harlan Marsh | Head | — | 40 | ~1900 |
| Janet Marsh | Daughter | — | 1 | ~1939 |
Census Appearances
1930
Los Angeles, …
Son, age 3
Los Angeles, California · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maras |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Yugoslavia |
| Mother's Birthplace | Yugoslavia |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 13
Los-Angeles-County, California · implied b. ~1927 — 5 household members
| Surname | Marsh |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Huntington Park (City) |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Marsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Marsh
Son · 1940 · age 13 · b. ~1927 · California
★ You are viewing this record
Sibling
Janet Marsh
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leila Marsh
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00245-00535)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John W. Bury | 63 | Head | Pharmacist | Irish Free State |
| 42 | Margaret R. Bury | 50 | Wife | Art Teacher | New Mexico |
| 43 | Lane E. Stineman | 44 | Head | Laborer | Missouri |
| 44 | Martha Stineman | 46 | Wife | — | Indiana |
| 45 | Ivan L. Stineman | 25 | Son | Clerical Work | Indiana |
| 46 | Laura E. Stineman | 22 | Daughter | Machine Operator | Indiana |
| 47 | Raymond E. Hardy | 34 | Head | Credit Mgr. | Arkansas |
| 48 | Dorothy Hardy | 34 | Wife | — | Missouri |
| 49 | Donald R. Hardy | 12 | Son | — | Missouri |
| 50 | Ronald A. Hardy | 4 | Son | — | California |
| 51 | Hyman N. Wilence | 38 | Head | Life Insurance Agent | Poland |
| 52 | Ida Wilence | 38 | Wife | — | Canada |
| 53 | Audrey G. Wilence | 17 | Daughter | — | California |
| 54 | Corinne H. Wilence | 14 | Daughter | — | California |
| 55 | Shelby T. Ziler | 61 | Head | Contractor | Missouri |
| 56 | Leota B. Ziler | 60 | Wife | — | Missouri |
| 57 | Thomas F. Kraft | 40 | Head | Importer | Poland |
| 58 | Edith M. Kraft | 31 | Wife | — | England |
| 59 | Raymond T. Kraft | 13 | Son | — | California |
| 60 | James G. Kraft | 11 | Son | — | California |
| 61 | Milton J. Kraft | 1 | Son | — | California |
| 62 | Francis J. O'Connell | 42 | Head | Machinist | Nebraska |
| 63 | Ellen O'Connell | 40 | Wife | — | Nebraska |
| 64 | Lloyd M. Wilhite | 43 | Head | Accountant | California |
| 65 | George Jennings | 45 | Head | Newspaper Agent | Texas |
| 66 | Orah A. Jennings | 41 | Wife | — | California |
| 67 | Harlan N. Marsh | 40 | Head | Production Engineer | Wisconsin |
| 68 | Karen C. Marsh | 41 | Wife | — | Michigan |
| 69 | John S. Marsh THIS PERSON | 13 | Son | — | California |
| 70 | Leila Marsh | 10 | Daughter | — | California |
| 71 | Janet Marsh | 1 | Daughter | — | California |
| 72 | Theodore H. Mccabe | 62 | Head | Owner Restaurant | Iowa |
| 73 | Clara H. Mccabe | 55 | Wife | — | Illinois |
| 74 | Marjorie J. Mccabe | 20 | Daughter | Office Worker | Montana |
| 75 | Clinton L. Langston | 52 | Head | Accountant | Indiana |
| 76 | Myrtle T. Langston | 48 | Wife | — | Michigan |
| 77 | Robert L. Langston | 13 | Son | — | California |
| 78 | John L. Langston | 11 | Son | — | California |
| 79 | Brad C. Brandt | 46 | Head | Manager Foundry | Alabama |
| 80 | Lenora M. Brandt | 50 | Wife | — | Alabama |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)